From: Volker Lendecke <vl@samba.org>
Date: Wed, 9 Aug 2017 08:16:36 +0000 (+0200)
Subject: tdb: Avoid NULL tdb_write
X-Git-Url: http://git.samba.org/?p=metze%2Fsamba%2Fwip.git;a=commitdiff_plain;h=f6a382fff822a0e01be8d8689328ef98dab47873

tdb: Avoid NULL tdb_write

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---

diff --git a/lib/tdb/common/tdb.c b/lib/tdb/common/tdb.c
index 6beda222a4e3..04f7f97eade2 100644
--- a/lib/tdb/common/tdb.c
+++ b/lib/tdb/common/tdb.c
@@ -619,6 +619,10 @@ static int _tdb_storev(struct tdb_context *tdb, TDB_DATA key,
 	ofs += key.dsize;
 
 	for (i=0; i<num_dbufs; i++) {
+		if (dbufs[i].dsize == 0) {
+			continue;
+		}
+
 		ret = tdb->methods->tdb_write(tdb, ofs, dbufs[i].dptr,
 					      dbufs[i].dsize);
 		if (ret == -1) {